Scrabble Dictionary

Check if your word is playable in Scrabble.

Yes, firework is playable

...and is worth 18 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Firework" Definition

noun

A device consisting of a combination of explosives and combustibles, set off to generate colored lights, smoke, and noise for amusement.
A display of rage or fierce contention.
A display of such devices.
An exciting or spectacular display, as of musical virtuosity.
A device for producing a striking display by the combustion of explosive or flammable compositions.